{% load i18n %}{% blocktrans with losing_swap.get_absolute_url as losing_swap_url and winning_swap.get_absolute_url as winning_swap_url %}
One of your offers was involved in a swap  <a href="{{ losing_swap_url }}">{{ losing_swap }}</a> 
that lost a conflict to another swap <a href="{{ winning_swap_url }}">{{ winning_swap }}</a>.
{% endblocktrans %}